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Flight Reliability

AA 3690 · American Airlines

Chicago → Cincinnati (ORD–CVG)83% of its flights flew this route. The rest (OMA–ORD, ORD–OMA) are included in these numbers.

68
Usually Fine
WanderNerd Reliability Score
71%
Arrive within 15 minutes
10 min
Average arrival delay
2.8%
Cancelled
7 min early
Median arrival delay

Based on 360 historical flights. Data through May 2026.

What the data says

12–3 PM has a slight edge.

Departures between 12–3 PM arrived on time 73% of the time, against 69% between 3–6 PM.

Friday is doing you no favors.

AA 3690 arrived on time 79% of the time on Saturdays. On Fridays: 66%.

A bit behind the American Airlines network.

AA 3690 arrived on time 71% of the time, versus 77% across the American Airlines network.

Trending in the right direction.

AA 3690 arrived on time 76% of the time over the last three months in the data, compared with 62% in the three months before that.

The breakdown

On-time by weekday
  • Mon71%(52 flights)
  • Tue73%(52 flights)
  • Wed69%(52 flights)
  • Thu69%(49 flights)
  • Fri66%(50 flights)
  • Sat79%(43 flights)
  • Sun73%(52 flights)
On-time by departure window
  • 9 AM–12 PM72%(25 flights)
  • 12–3 PM73%(30 flights)
  • 3–6 PM69%(39 flights)
  • 6–9 PM71%(252 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
80%
May

Jun 60% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202563%30
August 202583%30
September 202573%30
October 202577%31
November 202579%28
December 202556%27
January 202660%25
February 202670%10
March 202676%46
April 202673%33
May 202680%30
Departures on time
66%
Diverted
0%
Flights flown
350
Months covered
12

Same route, other flights

Keep nerding

Based on 360 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.